Air pump adapter set kit for football, volleyball, basketball, beach balls, balloons, and bicycle tires. Brass bike valve adapters with O-ring seal convert Presta (SV) to Schrader (AV) valves and Schrader (AV) to Presta (SV) valves. 90-degree brass elbow extender valve for Schrader system includes cap and core, compatible with passenger vehicles, light and heavy trucks, motorcycles, and recreational vehicles with standard tire valves. Extender facilitates easy inflation and pressure checks on dual tires, allowing use of foot pumps or compressors. Standard size adapter fits most bike pumps. Suitable for mountain bikes, road bikes, fixie bikes with Presta valve tubes, and inflatable items such as air beds, gym balls, yoga balls, swim rings, and inflatable toys. Compact, lightweight design fits easily in backpacks or ball bags. Simple, user-friendly design suitable for all ages. Color: yellow + red. Material: aluminum alloy. Package includes: 2 x English to French inflatable nozzles, 2 x French to US inflatable nozzles, 1 x inflatable extension rod, 2 x conversion extension rods, 1 x inflatable nozzle, 2 x ball needles. Package content limited to listed items; other products not included. Note: Display lighting and screen settings may cause slight color variations between image and actual item. Measurement tolerance: +/- 1-3 cm.